Home / 40,288.38-60,416.82-15,315.18

Finding the Fourth Proportional to 40,288.38, 60,416.82 and 15,315.18

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Solution

The fourth proportional to 40,288.38, 60,416.82 and 15,315.18 is: 22,966.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,288.38 : 60,416.82 = 15,315.18 : x
  2. Step 2: Convert to fraction form
    40,288.38/60,416.82 = 15,315.18/x
  3. Step 3: Cross multiply
    40,288.38x = 60,416.82 × 15,315.18
  4. Step 4: Simplify right side
    40,288.38x = 925,294,473.33
  5. Step 5: Solve for x
    x = 925,294,473.33/40,288.38
  6. Step 6: Final answer
    x = 22,966.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.